Technology Over Time

By MBrogdon01

  • First Telegraph

    First Telegraph
    An electrical telegraph was independently developed and patented in the United States in 1837 by Samuel Morse. His assistant, Alfred Vail, developed the Morse code signalling alphabet with Morse.

  • First Telephone

    First Telephone
    Alexander Graham Bell[edit] Bell's March 10, 1876 laboratory notebook entry describing his first successful experiment with the telephone. Alexander Graham Bell is commonly credited as the inventor of the first practical telephone.

  • Emailing

    Emailing
    An Indian-born scientist is waging a campaign for recognition as the 'child inventor' of email. Shiva Ayyadurai, a 50-year-old United States-based bio-scientist, has published a book challenging claims that the American computer programmer Ray Tomlinson invented email and asserting his own claim as its creator.